:root{--bg: #0d1117;--surface: #161b22;--surface-2: #1c2333;--border: #2a3140;--text: #e6edf3;--muted: #8b949e;--accent: #3b82f6;--ok: #3fb950;--warn: #d29922;--err: #f85149;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,-apple-system,Segoe UI,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}code,.mono{font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:13px}a{color:var(--accent)}.app{display:flex;min-height:100vh}.sidebar{width:200px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 12px;display:flex;flex-direction:column}.brand{font-size:18px;font-weight:700;padding:0 10px 18px;letter-spacing:.5px}.brand span{color:var(--accent)}.nav button{display:block;width:100%;text-align:left;padding:9px 10px;margin-bottom:3px;background:none;border:none;border-radius:var(--radius);color:var(--muted);font-size:14px;cursor:pointer}.nav button:hover{background:var(--surface-2);color:var(--text)}.nav button.active{background:var(--surface-2);color:var(--text);font-weight:600}.sidebar-footer{margin-top:auto;padding:0 10px;color:var(--muted);font-size:12px}.main{flex:1;padding:26px 30px;max-width:1200px;overflow-x:auto}h1{font-size:20px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.page-desc{color:var(--muted);margin:0 0 20px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}tbody tr:last-child td{border-bottom:none}button{font-family:inherit}.btn{padding:7px 13px;border-radius:6px;border:1px solid var(--border);background:var(--surface-2);color:var(--text);cursor:pointer;font-size:13px}.btn:hover:not(:disabled){border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:500}.btn.danger{color:var(--err)}.btn.danger:hover:not(:disabled){border-color:var(--err)}.btn.sm{padding:4px 9px;font-size:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.spread{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}label{display:block;margin-bottom:12px;color:var(--muted);font-size:13px}input,select{width:100%;margin-top:5px;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:14px;font-family:inherit}input:focus,select:focus{outline:none;border-color:var(--accent)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}.tag{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;border:1px solid var(--border);color:var(--muted);white-space:nowrap}.tag.ok{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 45%,transparent)}.tag.warn{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 45%,transparent)}.tag.err{color:var(--err);border-color:color-mix(in srgb,var(--err) 45%,transparent)}.banner{padding:11px 14px;border-radius:var(--radius);margin-bottom:16px;border:1px solid}.banner.err{background:color-mix(in srgb,var(--err) 12%,transparent);border-color:color-mix(in srgb,var(--err) 45%,transparent);color:#ffb4ae}.banner.ok{background:color-mix(in srgb,var(--ok) 12%,transparent);border-color:color-mix(in srgb,var(--ok) 45%,transparent);color:#8ee79c}.banner.warn{background:color-mix(in srgb,var(--warn) 12%,transparent);border-color:color-mix(in srgb,var(--warn) 45%,transparent);color:#e8c477}.chain{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.chain .hop{padding:3px 9px;background:var(--surface-2);border:1px solid var(--border);border-radius:6px;font-size:12px}.chain .hop.down{border-color:color-mix(in srgb,var(--err) 55%,transparent)}.chain .arrow{color:var(--muted)}.modal-backdrop{position:fixed;inset:0;background:#000000a6;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:22px;width:100%;max-width:520px;max-height:88vh;overflow-y:auto}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-box{width:100%;max-width:380px}.muted{color:var(--muted)}.empty{padding:30px;text-align:center;color:var(--muted)}.hint{font-size:12px;color:var(--muted);margin-top:-6px;margin-bottom:12px}.checks li{margin-bottom:10px;list-style:none}.checks{padding:0;margin:0}.hop-list{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:13px}.nowrap{white-space:nowrap}